For any regular polygon, where 'n' is the number of sides, each interior angle is [(180n - 360)/n], or rearranging to deal with smaller quantities, [180-360/n]. So for n=8 you get 180-45 = 135....
the formula is : 1. the size of arch 2. the weight of it 3. the tip[center] of arch must be under the 90d angle to the ground 4. the color of arch will demininshed or enlarged by the viewer 5. the...
A syringe is a great technique for blood drawing! It allows the phlebotomist to control the vacuum, which is good because it is much less traumatic on a patient's vein. A syringe may also be used to...